NZ603580A - Apparatus configured to detect gas usage, method of providing same, and method of detecting gas usage - Google Patents

Apparatus configured to detect gas usage, method of providing same, and method of detecting gas usage

Info

Publication number
NZ603580A
NZ603580A NZ603580A NZ60358011A NZ603580A NZ 603580 A NZ603580 A NZ 603580A NZ 603580 A NZ603580 A NZ 603580A NZ 60358011 A NZ60358011 A NZ 60358011A NZ 603580 A NZ603580 A NZ 603580A
Authority
NZ
New Zealand
Prior art keywords
gas usage
detect
apparatus configured
providing same
acoustic
Prior art date
Application number
NZ603580A
Other languages
English (en)
Inventor
Matthew S Reynolds
Sidhant Gupta
Shwetak N Patel
Original Assignee
Belkin International Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Belkin International Inc filed Critical Belkin International Inc
Publication of NZ603580A publication Critical patent/NZ603580A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00—Feeding or distributing other fuel to combustion apparatus
    • F23K5/002—Gaseous fuel
    • F23K5/007—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/16—Systems for controlling combustion using noise-sensitive detectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
    • F23N5/184—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D4/00—Tariff metering apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D9/00—Recording measured values
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2400/00—Pretreatment and supply of gaseous fuel
    • F23K2400/20—Supply line arrangements
    • F23K2400/201—Control devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
    • F23N2005/185—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using detectors sensitive to rate of flow of fuel

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Measuring Volume Flow (AREA)
  • Emergency Alarm Devices (AREA)
  • Details Of Flowmeters (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
NZ603580A 2010-05-14 2011-04-29 Apparatus configured to detect gas usage, method of providing same, and method of detecting gas usage NZ603580A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/780,713 US9222816B2 (en) 2010-05-14 2010-05-14 Apparatus configured to detect gas usage, method of providing same, and method of detecting gas usage
PCT/US2011/034643 WO2011142991A2 (fr) 2010-05-14 2011-04-29 Appareil configuré pour détecter l'utilisation d'un gaz, procédé pour la production, et procédé de détection d'utilisation de gaz

Publications (1)

Publication Number Publication Date
NZ603580A true NZ603580A (en) 2014-11-28

Family

ID=44912504

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ603580A NZ603580A (en) 2010-05-14 2011-04-29 Apparatus configured to detect gas usage, method of providing same, and method of detecting gas usage

Country Status (12)

Country Link
US (2) US9222816B2 (fr)
EP (1) EP2569598B1 (fr)
JP (2) JP2013530391A (fr)
KR (1) KR101899164B1 (fr)
CN (1) CN103003670B (fr)
AU (1) AU2011253366B2 (fr)
BR (1) BR112012029154B1 (fr)
CA (1) CA2799382C (fr)
EA (2) EA028374B1 (fr)
MX (1) MX347748B (fr)
NZ (1) NZ603580A (fr)
WO (1) WO2011142991A2 (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9256908B2 (en) * 2011-08-19 2016-02-09 International Business Machines Corporation Utility consumption disaggregation using low sample rate smart meters
US20130110413A1 (en) * 2011-10-27 2013-05-02 Brian Michael Schork Estimating gas usage in a gas burning device
US9846440B2 (en) * 2011-12-15 2017-12-19 Honeywell International Inc. Valve controller configured to estimate fuel comsumption
US9557059B2 (en) 2011-12-15 2017-01-31 Honeywell International Inc Gas valve with communication link
US9851103B2 (en) 2011-12-15 2017-12-26 Honeywell International Inc. Gas valve with overpressure diagnostics
US10769727B1 (en) 2013-07-11 2020-09-08 Liberty Mutual Insurance Company Home telematics devices and insurance applications
CA2872289A1 (fr) * 2013-11-25 2015-05-25 King Abdullah University Of Science And Technology Systeme et procede de thermometrie a frequence de repetition elevee
US9645584B2 (en) 2014-09-17 2017-05-09 Honeywell International Inc. Gas valve with electronic health monitoring
JP6428803B2 (ja) * 2016-03-22 2018-11-28 横河電機株式会社 フィールド機器および検出器
CN107218955B (zh) * 2016-03-22 2021-04-20 横河电机株式会社 现场设备以及检测器
CN105784033B (zh) * 2016-05-05 2022-02-01 汇中仪表股份有限公司 一种薄片型多声路超声测流传感器及其使用方法
US11821770B2 (en) 2016-07-18 2023-11-21 Vaughn Realty Ventures LLC Water metering system
CN109844464B (zh) * 2016-07-18 2021-08-17 沃恩房地产投资有限责任公司 水计量系统
CN107238117A (zh) * 2017-07-21 2017-10-10 安徽辰控智能科技有限公司 一种智能燃气泄漏安全保护装置
CN107687660B (zh) * 2017-10-19 2024-01-23 广东超人节能厨卫电器有限公司 燃气灶具与无按键式烟机的联动安防系统
DE102017011861B4 (de) * 2017-12-01 2022-09-29 Diehl Metering Gmbh Verfahren zur Bestimmung der Laufzeit eines Ultraschallsignals in einem strömenden Medium sowie Ultraschalldurchflussmesser
US11073281B2 (en) 2017-12-29 2021-07-27 Honeywell International Inc. Closed-loop programming and control of a combustion appliance
CN110068152B (zh) * 2018-01-23 2021-11-12 青岛经济技术开发区海尔热水器有限公司 一种燃气热水器的控制方法及燃气热水器
JP7022891B2 (ja) 2018-02-19 2022-02-21 パナソニックＩｐマネジメント株式会社 ガス器具判別装置
JP7022892B2 (ja) 2018-02-19 2022-02-21 パナソニックＩｐマネジメント株式会社 ガス器具判別装置
JP7033698B2 (ja) 2018-02-28 2022-03-11 パナソニックＩｐマネジメント株式会社 ガス器具判別装置
US10697815B2 (en) 2018-06-09 2020-06-30 Honeywell International Inc. System and methods for mitigating condensation in a sensor module
US11294406B2 (en) * 2018-09-05 2022-04-05 Natural Gas Solutions North America, Llc Determining diaphragm life on a pressure regulator
US11125770B2 (en) * 2018-12-06 2021-09-21 Rosemount Aerospace Inc. Acoustic air data sensor and system
WO2020151815A1 (fr) * 2019-01-23 2020-07-30 Diehl Metering Gmbh Procédé de détermination de la durée de parcours d'un signal ultrasonore dans un milieu qui s'écoule et capteur de débit à ultrasons
EP3951682A4 (fr) * 2019-03-29 2022-10-12 Nippon Gas Co., Ltd. Dispositif de traitement d'informations, procédé de traitement d'informations, et programme
CN111486915B (zh) * 2020-04-17 2022-06-21 苏州燃气集团有限责任公司 气量分解监控智能燃气表和气量分解监控方法
CN112128987A (zh) * 2020-08-31 2020-12-25 华帝股份有限公司 一种控制热水器稳定燃烧的方法及热水器

Family Cites Families (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3714516A (en) 1972-01-26 1973-01-30 P Howe Meter socket voltage recorder unit
US4088436A (en) * 1976-03-11 1978-05-09 The Hansen Manufacturing Company Gas distribution system
US4612617A (en) 1983-03-02 1986-09-16 Siemens-Allis, Inc. Method and apparatus for monitoring instantaneous electrical parameters of a power distribution system
US4858141A (en) 1986-04-14 1989-08-15 Massachusetts Institute Of Technology Non-intrusive appliance monitor apparatus
FR2637075B1 (fr) 1988-09-23 1995-03-10 Gaz De France Procede et dispositif destines a indiquer le debit d'un fluide compressible circulant dans un detendeur, et capteur de vibrations utilise a cet effet
JPH02134515A (ja) 1988-11-14 1990-05-23 Tokyo Gas Co Ltd 流量測定方法
FR2645968B1 (fr) 1989-04-18 1991-07-26 Electricite De France Procede et appareil d'analyse de signaux de courant et de tension en vue du reperage de charges a usage domestique
US5027644A (en) 1990-03-09 1991-07-02 Institute Of Gas Technology Method and apparatus for injecting acoustic signals into live gas mains
CA2085887A1 (fr) 1990-06-21 1991-12-22 Kentyn Reynolds Methode et appareil d'analyse d'ondes et de reconnaissance d'evenements
FR2680875B1 (fr) 1991-08-27 1995-05-05 Geneve Services Ind Procede pour identifier des charges consommatrices d'energie electrique d'un circuit sous surveillance.
JPH0567283A (ja) 1991-09-09 1993-03-19 Matsushita Electric Ind Co Ltd 流量変化判別装置
JPH0715650B2 (ja) * 1991-10-29 1995-02-22 株式会社桂精機製作所 圧力調整器の自己検査装置
BR9405758A (pt) 1993-02-12 1995-11-28 Ekstroem Ind Inc Aparelho para medição de consumo de energia elétrica aparelho leitor de energia elétrica remota processo para medir fornecimento de energia elétrica processo para calcular energia elétrica consumida e aparelho para medição remota
US5390542A (en) * 1993-12-21 1995-02-21 Measurement Technology International Membrane for a fluid flow meter
US5483153A (en) 1994-03-24 1996-01-09 Massachusetts Institute Of Technology Transient event detector for use in nonintrusive load monitoring systems
US5717325A (en) 1994-03-24 1998-02-10 Massachusetts Institute Of Technology Multiprocessing transient event detector for use in a nonintrusive electrical load monitoring system
JP3657638B2 (ja) 1994-12-26 2005-06-08 東京瓦斯株式会社 ガス器具の使用状況監視システム
JPH08178185A (ja) 1994-12-28 1996-07-12 Kawasaki Steel Corp 乾式ガスホルダのシール装置
US5813849A (en) 1996-08-07 1998-09-29 John Zink Company, A Division Of Koch-Glitshc, Inc. Flame detection apparatus and methods
US5898387A (en) 1997-03-26 1999-04-27 Scientific-Atlanta, Inc. Modular meter based utility gateway enclosure
US6275168B1 (en) 1997-05-23 2001-08-14 Siemens Power Transmission And Distribution, Llc Expansion module for modular meter
GB9724168D0 (en) 1997-11-14 1998-01-14 Air Prod & Chem Gas control device and method of supplying gas
JPH11287692A (ja) 1998-04-03 1999-10-19 Tokyo Gas Co Ltd ガスメータ
FR2806806B1 (fr) 2000-03-22 2002-11-29 Conseil En Technologies Innova Procede de mesure de la consommation electrique d'un element connecte a un reseau de distribution d'electricite
JP4627836B2 (ja) * 2000-04-07 2011-02-09 リコーエレメックス株式会社 ガス管理システム
DE60129437T2 (de) 2000-04-12 2008-04-17 Central Research Institute Of Electric Power Industry System und verfahren zur abschätzung des stromverbrauchs eines elektrischen geräts und abnormalitätswarnungssystem damit
US6906617B1 (en) 2000-11-17 2005-06-14 Koninklijke Philips Electronics N.V. Intelligent appliance home network
DE60104091T2 (de) * 2001-04-27 2005-08-25 CSEM Centre Suisse d`Electronique et de Microtechnique S.A. - Recherche et Développement Verfahren und Vorrichtung zur Sprachverbesserung in verrauschte Umgebung
US6910025B2 (en) 2001-11-20 2005-06-21 Freescale Semiconductor, Inc. Modeling behavior of an electrical circuit
ES2550821T3 (es) 2002-01-24 2015-11-12 Panasonic Corporation Método de y sistema para comunicaciones de portadora por línea eléctrica
US7019666B2 (en) 2002-06-10 2006-03-28 Tantalus Systems Corp. Adapter for a meter
GB2393514B (en) 2002-09-24 2005-02-02 Invensys Controls Uk Ltd Diagnostic tool for an energy conversion appliance
KR100512960B1 (ko) * 2002-09-26 2005-09-07 삼성전자주식회사 플렉서블 ｍｅｍｓ 트랜스듀서와 그 제조방법 및 이를채용한 플렉서블 ｍｅｍｓ 무선 마이크로폰
JP2004191103A (ja) 2002-12-09 2004-07-08 Tokyo Gas Co Ltd 整圧器および流量計測方法
US7398160B2 (en) 2004-06-30 2008-07-08 Southwest Research Institute Gas energy meter for inferential determination of thermophysical properties of a gas mixture at multiple states of the gas
JP4462542B2 (ja) 2004-08-20 2010-05-12 ヤンマー株式会社 ガスエンジン
US7228726B2 (en) 2004-09-23 2007-06-12 Lawrence Kates System and method for utility metering and leak detection
JP4423157B2 (ja) 2004-10-06 2010-03-03 キヤノン株式会社 電力線通信装置およびその制御方法
US8469700B2 (en) 2005-09-29 2013-06-25 Rosemount Inc. Fouling and corrosion detector for burner tips in fired equipment
JP4929975B2 (ja) 2006-10-25 2012-05-09 パナソニック株式会社 流量計測装置
WO2008050490A1 (fr) * 2006-10-25 2008-05-02 Panasonic Corporation Debitmetre et son programme
EP2131162A4 (fr) 2007-03-23 2014-07-30 Panasonic Corp Appareil de surveillance d'appareil au gaz
TW200907360A (en) 2007-07-19 2009-02-16 Koninkl Philips Electronics Nv Energy consumption measurement
US7693670B2 (en) 2007-08-14 2010-04-06 General Electric Company Cognitive electric power meter
US8094034B2 (en) 2007-09-18 2012-01-10 Georgia Tech Research Corporation Detecting actuation of electrical devices using electrical noise over a power line
CA2710759C (fr) 2007-12-26 2014-02-11 Elster Electricity, Llc Appareil d'emballage mecanique et procedes pour un appareil de mesure d'energie electrique
GB0803140D0 (en) 2008-02-21 2008-03-26 Sentec Ltd Technique for inference of multiple appliances' power use from single point measurements
WO2010007369A2 (fr) 2008-07-17 2010-01-21 Isis Innovation Limited Comptage d’énergie
JP5193714B2 (ja) * 2008-07-18 2013-05-08 Ｊｘ日鉱日石エネルギー株式会社 配管亀裂診断装置及び配管の亀裂診断方法
WO2010014762A1 (fr) 2008-07-29 2010-02-04 Masters Gilbert J Dispositif utilisant des caractéristiques électriques basées sur le temps pour identifier un appareil électrique
US20100070218A1 (en) 2008-09-18 2010-03-18 Searete Llc, A Limited Liability Corporation Of The State Of Delaware System and method for identifying appliances by electrical characteristics
US20100070214A1 (en) 2008-09-18 2010-03-18 Searete Llc, A Limited Liability Corporation Of The State Of Delaware System and method for identifying appliances by electrical characteristics

Also Published As

Publication number Publication date
CA2799382C (fr) 2019-02-26
EP2569598B1 (fr) 2022-08-17
EA201791242A1 (ru) 2017-10-31
MX2012013214A (es) 2014-06-04
EA035060B1 (ru) 2020-04-23
KR20130077838A (ko) 2013-07-09
US20110282596A1 (en) 2011-11-17
MX347748B (es) 2017-05-11
CN103003670B (zh) 2015-11-25
JP6093840B2 (ja) 2017-03-08
CA2799382A1 (fr) 2011-11-17
JP2013530391A (ja) 2013-07-25
EA028374B1 (ru) 2017-11-30
AU2011253366A1 (en) 2012-12-13
EP2569598A2 (fr) 2013-03-20
US9222816B2 (en) 2015-12-29
WO2011142991A3 (fr) 2012-03-15
WO2011142991A2 (fr) 2011-11-17
CN103003670A (zh) 2013-03-27
JP2016105091A (ja) 2016-06-09
KR101899164B1 (ko) 2018-09-14
AU2011253366B2 (en) 2015-07-02
EA201270770A1 (ru) 2013-09-30
BR112012029154B1 (pt) 2020-05-12
US20160109271A1 (en) 2016-04-21
EP2569598A4 (fr) 2015-01-21
BR112012029154A2 (pt) 2017-02-21

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